Results 3D PDU showed the fetal cardiovascular connections, including inferior vena cava to right atrium, umbilical vein to inferior vena cave, arches, pulmonary veins to left atrium.是什么意思_Results 3D PDU showed the fetal cardiovascular connections, including inferior vena cava to right atrium, umbilical vein to inferior vena cave, arches, pulmonary veins to left atrium.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句